Pneumatic Butterfly Valve for CMP Slurry Distribution from Japan
Butterfly valve pneumatically actuated for chemical mechanical planarization (CMP) slurry distribution in wafer polishers. Falls under HTS 8481.80.9040 as other appliance for semiconductor processing tanks. PTFE-lined for chemical resistance.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Certify wetted materials for CMP slurries (silica, ceria); verify 1000:1 turndown ratio capability; include SEMI S2 safety certification